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Dongling Vibration (Chinese: 东菱振动; pinyin: Dōnglíng Zhèndòng) is a top-level vibration test equipment manufacture company. [1] [2] [3] Founded in 1995 in Suzhou, P.R China, it has over 250 employees, most of whom work in its headquarters in Suzhou, P.R. China, which is called Dongling Science and Technology Park.
A shaker is a device used in vibration testing to excite the structure, either for endurance testing or modal testing. Sample layout of a modal testing system.
In 2002, Sony and Microsoft were sued by Immersion for patent infringement for the use of vibration functions in their gaming controllers. [1] Specifically, they were accused of infringing on claims in US Patent 6,424,333 and US Patent 6,275,213 (filed 2000 and 2001 as extensions of US Patent 6,088,017, itself filed 1998, all "Tactile feedback man-machine interface device"). [2]
A schematic of a typical laser vibrometer is shown above. The beam from the laser, which has a frequency f o, is divided into a reference beam and a test beam with a beamsplitter. The test beam then passes through the Bragg cell, which adds a frequency shift f b. This frequency shifted beam then is directed to the target.
Test specifications can be established from real environment measurements using an ASD envelope or a fatigue damage equivalence criterion (Extreme response spectrum and Fatigue damage spectrum). Random vibration testing is one of the more common types of vibration testing services performed by vibration test labs.
Automatic test equipment diagnostics is the part of an ATE test that determines the faulty components. ATE tests perform two basic functions. The first is to test whether or not the Device Under Test is working correctly. The second is when the DUT is not working correctly, to diagnose the reason.
3 intensity levels, 10 vibration patterns. With a 5-hour battery life, the Lush boasts 4 times more power than most remote sex toys. It works via both Bluetooth and Wi-Fi, making it a good choice ...
Active vibration control is the active application of force in an equal and opposite fashion to the forces imposed by external vibration. With this application, a precision industrial process can be maintained on a platform essentially vibration-free. Many precision industrial processes cannot take place if the machinery is being affected by ...